<template>
  <n-tabs v-model:value="tabValue" justify-content="start" type="line">
    <n-tab-pane name="list" tab="文章列表">
      <div v-for="(blog, index) in blogListInfo" style="margin-bottom:15px">
        <n-card :title="blog.title">
          {{ blog.content }}

          <template #footer>
            <n-space align="center">
              <div>发布时间：{{ blog.create_time }}</div>
              <n-button @click="toUpdate(blog)">修改</n-button>
              <n-button @click="toDelete(blog)">删除</n-button>
            </n-space>
          </template>
        </n-card>
      </div>

      <n-space>
        <div @click="toPage(pageNum)" v-for="pageNum in  pageInfo.pageCount">
          <div :style="'color:' + (pageNum == pageInfo.page ? 'blue' : '')">{{ pageNum }}</div>
        </div>
      </n-space>

    </n-tab-pane>
    <n-tab-pane name="add" tab="添加文章">

      <n-form>
        <n-form-item label="标题">
          <n-input v-model:value="addArticle.title" placeholder="请输入标题" />
        </n-form-item>
        <n-form-item label="分类">
          <n-select v-model:value="addArticle.categoryId" :options="categortyOptions" />
        </n-form-item>
        <n-form-item label="内容">
          <rich-text-editor v-model="addArticle.content"></rich-text-editor>
        </n-form-item>
        <n-form-item label="">
          <n-button @click="add">提交</n-button>
        </n-form-item>
      </n-form>

    </n-tab-pane>
    <n-tab-pane name="update" tab="修改">
      <n-form>
        <n-form-item label="标题">
          <n-input v-model:value="updateArticle.title" placeholder="请输入标题" />
        </n-form-item>
        <n-form-item label="分类">
          <n-select v-model:value="updateArticle.categoryId" :options="categortyOptions" />
        </n-form-item>
        <n-form-item label="内容">
          <rich-text-editor v-model="updateArticle.content"></rich-text-editor>
        </n-form-item>
        <n-form-item label="">
          <n-button @click="update">提交</n-button>
        </n-form-item>
      </n-form>
    </n-tab-pane>
  </n-tabs>
</template>

<script setup>
import { AdminStore } from '../../stores/AdminStore'
import { ref, reactive, inject, onMounted } from 'vue'
import { useRouter, useRoute } from 'vue-router'
import RichTextEditor from '../../components/RichTextEditor.vue'
const router = useRouter()
const route = useRoute()

const message = inject("message")
const dialog = inject("dialog")
const axios = inject("axios")

const adminStore = AdminStore()

//文章添加数据
const addArticle = reactive({
  categoryId: 0,
  title: "",
  content: "",
})

//文章修改数据
const updateArticle = reactive({
  id: 0,
  categoryId: 0,
  title: "",
  content: "",
})

//分类选项
const categortyOptions = ref([])
const blogListInfo = ref([])
//标签页
const tabValue = ref("list")

//分页数据
const pageInfo = reactive({
  page: 1,
  pageSize: 3,
  pageCount: 0,
  count: 0,
})

onMounted(() => {
  loadBlogs()
  loadCategorys()
})

//读取博客列表
const loadBlogs = async () => {
  let res = await axios.get(`/blog/search?page=${pageInfo.page}&pageSize=${pageInfo.pageSize}`)
  let temp_rows = res.data.data.rows;
  for (let row of temp_rows) {
    row.content += "..."
    let d = new Date(row.create_time)
    row.create_time = `${d.getFullYear()}年${d.getMonth() + 1}月${d.getDate()}日`
  }
  blogListInfo.value = temp_rows;
  pageInfo.count = res.data.data.count;
  pageInfo.pageCount = parseInt(pageInfo.count / pageInfo.pageSize) + (pageInfo.count % pageInfo.pageSize > 0 ? 1 : 0)
  console.log(res)
}

//读取分类
const loadCategorys = async () => {
  let res = await axios.get("/category/list")
  categortyOptions.value = res.data.rows.map((item) => {
    return {
      label: item.name,
      value: item.id
    }
  })
  console.log(categortyOptions.value)
}

const add = async () => {
  let res = await axios.post("/blog/_token/add", addArticle)
  if (res.data.code == 200) {
    message.info(res.data.msg)
  } else {
    message.error(res.data.msg)
  }
}

const toPage = async (pageNum) => {
  pageInfo.page = pageNum
  loadBlogs()
}

const toUpdate = async (blog) => {
  tabValue.value = "update"
  let res = await axios.get("/blog/detail?id=" + blog.id)
  updateArticle.id = blog.id
  updateArticle.title = res.data.rows[0].title
  updateArticle.content = res.data.rows[0].content
  updateArticle.categoryId = res.data.rows[0].category_id
}

const update = async () => {
  let res = await axios.put("/blog/_token/update", updateArticle)
  if (res.data.code == 200) {
    message.info(res.data.msg)
    loadBlogs()
    tabValue.value = "list"
  } else {
    message.error(res.data.msg)
  }
}

const toDelete = async (blog) => {
  let res = await axios.delete("/blog/_token/delete?id="+blog.id)
  if (res.data.code == 200) {
    message.info(res.data.msg)
    loadBlogs()
  } else {
    message.error(res.data.msg)
  }
}

</script>

<style lang="scss" scoped>
</style>